Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Dillon, Dillon Airport (KDLN)

Lat: 45.2575°NLon: 112.55444°WElev: 5239.0ft.

Clear

63°F

17°C

Humidity 45%
Wind Speed S 5 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 21 Aug 02:20 AM MDT
Extended Forecast for

Dillon Airport MT

  • Overnight

    Overnight: Partly cloudy, with a low around 54. Southwest wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90. South southwest wind 5 to 7 mph becoming light and variable.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly between 2am and 4am.  Increasing clouds, with a low around 57. Northeast wind 5 to 9 mph becoming south in the evening.

    Low: 57 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 5pm.  Cloudy, then gradually becoming mostly sunny, with a high near 86. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 86 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight.  Mostly cloudy, with a low around 51. South southeast wind 6 to 8 mph.  Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 84. South wind 5 to 10 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. South southwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. Southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 90. South southwest wind 5 to 7 mph becoming light and variable.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly between 2am and 4am. Increasing clouds, with a low around 57. Northeast wind 5 to 9 mph becoming south in the evening.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 51. South southeast wind 6 to 8 mph. Chance of precipitation is 70%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. South wind 5 to 10 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 49. South southwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Monday
Mostly sunny, with a high near 83. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Dillon Airport MT
 45.25°N 112.54°W (Elev. 5200 ft)
12:31 am MDT Aug 21, 2026
2am MDT Aug 21, 2026-6pm MDT Aug 27, 2026
 
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Additional Resources

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